The rm() function in R is used to delete or remove a variable from a workspace.
The rm() function takes the following syntax:
rm (…, list = character(), envir = as.environment(pos), inherits = FALSE)
The rm() function takes the following parameter values:
...: This represents the objects to be removed.list: This represents a character vector that names the variables to be removed.envir: This indicates the environment to be used.inherits: This takes a boolean value (TRUE or FALSE) and determines if the closing frame of the environment should be inspected or not.# A code to illustrate the rm() function in R# creating variablesa <- 4b <- sqrt(a)c <- b * bd <- c * b# listing all the variables in the present working directoryls()# removing variablesrm(list = c("a", "d"))ls()
a, b, c, and d.ls() function to return a list of all the variables in the workspace.rm() function, we remove variables a and d.ls() function once again, we return the list of all the variables present in the workspace.